<script setup lang="ts">
  import { reqGetAddressList } from '@/api/address'
  import { reqOrderRepurchase, reqOrderSubmit } from '@/api/order'
  import { reqGetOrderNow } from '@/api/order'
  import { reqGetOrderPre } from '@/api/order'
  import { useAddressStore } from '@/stores/address'
  import type { OrderPreResult } from '@/types/order'
  import { onLoad } from '@dcloudio/uni-app'
  import { computed, ref } from 'vue'

  // 从商品详情页立即购买和订单详情再次购买跳转过来的参数
  const query = defineProps<{
    /** 商品 skuId */
    skuId?: string
    /** 购买商品的数量 */
    count?: string
    /** 下单时已经选择好的地址 id */
    addressId?: string
    /** 订单详情页再次购买的订单 id */
    orderId: string
  }>()
  const addressStore = useAddressStore()
  // 获取屏幕边界到安全区域距离
  const { safeAreaInsets } = uni.getSystemInfoSync()
  // 订单备注
  const buyerMessage = ref('')
  // 配送时间
  const deliveryList = ref([
    { type: 1, text: '时间不限 (周一至周日)' },
    { type: 2, text: '工作日送 (周一至周五)' },
    { type: 3, text: '周末配送 (周六至周日)' }
  ])
  // 当前配送时间下标
  const activeIndex = ref(0)
  // 当前配送时间
  const activeDelivery = computed(() => deliveryList.value[activeIndex.value])
  // 修改配送时间
  const onChangeDelivery: UniHelper.SelectorPickerOnChange = ev => {
    activeIndex.value = ev.detail.value
  }

  // 获取订单详情
  const orderPreData = ref<OrderPreResult>()
  const getOrderPre = async () => {
    // 从商品详情页立即购买过来的
    if (query.skuId && query.count) {
      // 获取默认收货地址
      const result = await reqGetAddressList()
      const resultAddress = result.result.find(item => item.isDefault)
      // 走获取立即购买订单接口
      const res = await reqGetOrderNow({
        count: query.count,
        skuId: query.skuId,
        addressId: query.addressId || resultAddress?.id
      })
      orderPreData.value = res.result
    } else if (query.orderId) {
      // 从订单详情页再次购买过来的
      const res = await reqOrderRepurchase(query.orderId)
      orderPreData.value = res.result
    } else {
      // 走获取预付订单接口
      const res = await reqGetOrderPre()
      orderPreData.value = res.result
    }
  }
  onLoad(() => {
    getOrderPre()
  })

  // 计算收货地址
  const address = computed(() => {
    return (
      addressStore.address ||
      orderPreData.value?.userAddresses.find(item => item.isDefault === 1) ||
      orderPreData.value?.userAddresses.find(item => item.id === query.addressId)
    )
  })

  // 提交订单
  const onSubmitOrder = async () => {
    // 未填写收货地址
    if (!address.value?.id) {
      return uni.showToast({
        icon: 'none',
        title: '请选择收货地址'
      })
    }
    // 发送请求
    const res = await reqOrderSubmit({
      addressId: address.value.id,
      deliveryTimeType: deliveryList.value[activeIndex.value].type,
      buyerMessage: buyerMessage.value,
      goods: orderPreData.value!.goods.map(item => ({
        count: item.count,
        skuId: item.skuId
      })),
      payChannel: 2,
      payType: 1
    })
    // 去往订单详情页
    uni.redirectTo({
      url: `/pagesOrder/detail/detail?id=${res.result.id}`
    })
  }
</script>

<template>
  <scroll-view scroll-y class="viewport">
    <!-- 收货地址 -->
    <navigator
      v-if="address"
      class="shipment"
      hover-class="none"
      url="/pagesMember/address/address?from=order"
    >
      <view class="user">{{ address.receiver }} {{ address.contact }}</view>
      <view class="address">{{ address.address }}</view>
      <text class="icon icon-right"></text>
    </navigator>
    <navigator
      v-else
      class="shipment"
      hover-class="none"
      url="/pagesMember/address/address?from=order"
    >
      <view class="address">请选择收货地址</view>
      <text class="icon icon-right"></text>
    </navigator>

    <!-- 商品信息 -->
    <view class="goods">
      <navigator
        v-for="item in orderPreData?.goods"
        :key="item.skuId"
        :url="`/pagesDetail/detail/detail?id=${item.id}`"
        class="item"
        hover-class="none"
      >
        <image class="picture" :src="item.picture" />
        <view class="meta">
          <view class="name ellipsis">{{ item.name }}</view>
          <view class="attrs">{{ item.attrsText }}</view>
          <view class="prices">
            <view class="pay-price symbol">{{ item.payPrice }}</view>
            <view class="price symbol">{{ item.price }}</view>
          </view>
          <view class="count">x{{ item.count }}</view>
        </view>
      </navigator>
    </view>

    <!-- 配送及支付方式 -->
    <view class="related">
      <view class="item">
        <text class="text">配送时间</text>
        <picker :range="deliveryList" range-key="text" @change="onChangeDelivery">
          <view class="icon-fonts picker">{{ activeDelivery.text }}</view>
        </picker>
      </view>
      <view class="item">
        <text class="text">订单备注</text>
        <input
          class="input"
          :cursor-spacing="30"
          placeholder="选题，建议留言前先与商家沟通确认"
          v-model="buyerMessage"
        />
      </view>
    </view>

    <!-- 支付金额 -->
    <view class="settlement">
      <view class="item">
        <text class="text">商品总价:</text>
        <text class="number symbol">{{ orderPreData?.summary.totalPrice }}</text>
      </view>
      <view class="item">
        <text class="text">运费:</text>
        <text class="number symbol">{{ orderPreData?.summary.postFee }}</text>
      </view>
    </view>
  </scroll-view>

  <!-- 吸底工具栏 -->
  <view class="toolbar" :style="{ paddingBottom: safeAreaInsets?.bottom + 'px' }">
    <view class="total-pay symbol">
      <text class="number">{{ orderPreData?.summary.totalPayPrice }}</text>
    </view>
    <view class="button" :class="{ disabled: !address?.id }" @click="onSubmitOrder">提交订单</view>
  </view>
</template>

<style lang="scss">
  page {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    background-color: #f4f4f4;
  }

  .symbol::before {
    content: '¥';
    font-size: 80%;
    margin-right: 5rpx;
  }

  .shipment {
    margin: 20rpx;
    padding: 30rpx 30rpx 30rpx 84rpx;
    font-size: 26rpx;
    border-radius: 10rpx;
    background: url(https://pcapi-xiaotuxian-front-devtest.itheima.net/miniapp/images/locate.png)
      20rpx center / 50rpx no-repeat #fff;
    position: relative;

    .icon {
      font-size: 36rpx;
      color: #333;
      transform: translateY(-50%);
      position: absolute;
      top: 50%;
      right: 20rpx;
    }

    .user {
      color: #333;
      margin-bottom: 5rpx;
    }

    .address {
      color: #666;
    }
  }

  .goods {
    margin: 20rpx;
    padding: 0 20rpx;
    border-radius: 10rpx;
    background-color: #fff;

    .item {
      display: flex;
      padding: 30rpx 0;
      border-top: 1rpx solid #eee;

      &:first-child {
        border-top: none;
      }

      .picture {
        width: 170rpx;
        height: 170rpx;
        border-radius: 10rpx;
        margin-right: 20rpx;
      }

      .meta {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        position: relative;
      }

      .name {
        height: 80rpx;
        font-size: 26rpx;
        color: #444;
      }

      .attrs {
        line-height: 1.8;
        padding: 0 15rpx;
        margin-top: 6rpx;
        font-size: 24rpx;
        align-self: flex-start;
        border-radius: 4rpx;
        color: #888;
        background-color: #f7f7f8;
      }

      .prices {
        display: flex;
        align-items: baseline;
        margin-top: 6rpx;
        font-size: 28rpx;

        .pay-price {
          margin-right: 10rpx;
          color: #cf4444;
        }

        .price {
          font-size: 24rpx;
          color: #999;
          text-decoration: line-through;
        }
      }

      .count {
        position: absolute;
        bottom: 0;
        right: 0;
        font-size: 26rpx;
        color: #444;
      }
    }
  }

  .related {
    margin: 20rpx;
    padding: 0 20rpx;
    border-radius: 10rpx;
    background-color: #fff;

    .item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      min-height: 80rpx;
      font-size: 26rpx;
      color: #333;
    }

    .input {
      flex: 1;
      text-align: right;
      margin: 20rpx 0;
      padding-right: 20rpx;
      font-size: 26rpx;
      color: #999;
    }

    .item .text {
      width: 125rpx;
    }

    .picker {
      color: #666;
    }

    .picker::after {
      content: '\e6c2';
    }
  }

  /* 结算清单 */
  .settlement {
    margin: 20rpx;
    padding: 0 20rpx;
    border-radius: 10rpx;
    background-color: #fff;

    .item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 80rpx;
      font-size: 26rpx;
      color: #333;
    }

    .danger {
      color: #cf4444;
    }
  }

  /* 吸底工具栏 */
  .toolbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: calc(var(--window-bottom));
    z-index: 1;

    background-color: #fff;
    height: 100rpx;
    padding: 0 20rpx;
    border-top: 1rpx solid #eaeaea;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: content-box;

    .total-pay {
      font-size: 40rpx;
      color: #cf4444;

      .decimal {
        font-size: 75%;
      }
    }

    .button {
      width: 220rpx;
      text-align: center;
      line-height: 72rpx;
      font-size: 26rpx;
      color: #fff;
      border-radius: 72rpx;
      background-color: #27ba9b;
    }

    .disabled {
      opacity: 0.6;
    }
  }
</style>
